Results 61 to 70 of about 39,735 (105)

[Advances in the surgical treatment of cholesteatoma of the middle ear]. [PDF]

open access: yesLin Chuang Er Bi Yan Hou Tou Jing Wai Ke Za Zhi, 2021
Li C   +7 more
europepmc   +1 more source

[A case of high-temperature steel bar penetration injury from scrotum to buttocks]. [PDF]

open access: yesZhonghua Shao Shang Yu Chuang Mian Xiu Fu Za Zhi, 2022
Zheng SQ, Miao YL, He LR, Wang BY.
europepmc   +1 more source

China experts' consensus on preventive and interceptive orthodontic treatments of malocclusions of children. [PDF]

open access: yesHua Xi Kou Qiang Yi Xue Za Zhi, 2021
National Health Institute of Hospital Administration,The Experts   +32 more
europepmc   +1 more source

植晶工艺对金刚石涂层硬质合金刀具切削性能的影响

open access: yes, 2017
金刚石涂层刀具在高精与硬脆材料加工方面有着巨大的应用潜能。本文研究了纳米金刚石粉超声处理的植晶工艺对金刚石涂层/硬质合金刀具的影响因素。分别对比了传统两步法处理、纳米金刚石粉超声处理、优化超声处理三种预处理效果。采用热丝CVD设备生长CVD金刚石涂层,扫描电子显微镜(SEM)、和拉曼光谱仪(Ramanspectrum)分别用于表征沉积金刚石涂层前后的基底表面形貌及其涂层质量。最后,利用铣削测试研究了所制备的涂层刀具的切削性能。结果表明,三种预处理后的硬质合金表面金刚石取向以及质量相似 ...
吕继磊   +5 more
core  

[Florid cemento-osseous dysplasia: A case report]. [PDF]

open access: yesBeijing Da Xue Xue Bao Yi Xue Ban
Wang Y, Liang Y.
europepmc   +1 more source

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